Exploitation active confirmée

Ajoutée au catalogue CISA KEV le 13/10/2026, correctif exigé avant le 16/10/2026 pour les agences fédérales américaines.

Action requise : Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Description officielle (NVD)

Improper neutralization of special elements used in a command ('command injection') in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.

Références

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96951 , Patch, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96951 , US Government Resource

En bref

Éditeur	Microsoft
Produit	Windows
Publiée le	13/10/2026
Modifiée le	16/10/2026
CVSS	8.8 (v3.1)
EPSS	1,51 % (centile 74)
CWE	CWE-77

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS : probabilité estimée d'exploitation dans les 30 prochains jours.

Produits concernés

microsoft · outlook_web microsoft · windows_10_1607 microsoft · windows_10_1809 microsoft · windows_10_21h2 microsoft · windows_10_22h2 microsoft · windows_11_23h2 microsoft · windows_11_24h2 microsoft · windows_11_25h2 microsoft · windows_11_26h1 microsoft · windows_11_26h2 microsoft · windows_server_2012 microsoft · windows_server_2016 microsoft · windows_server_2019 microsoft · windows_server_2022 microsoft · windows_server_2025